Error while import mujoco

[zhanggyarcher]

I got this error while importing the mujoco.

>>> import mujoco_py
running build_ext
building 'mujoco_py.cymj' extension
/usr/local/opt/llvm/bin/clang -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -I/usr/local/opt/llvm/include -fPIC -I/home/administrator/.local/lib/python3.8/site-packages/mujoco_py -I/home/administrator/.mujoco/mujoco210/include -I/home/administrator/.local/lib/python3.8/site-packages/numpy/core/include -I/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/vendor/egl -I/usr/include/python3.8 -c /home/administrator/.local/lib/python3.8/site-packages/mujoco_py/cymj.c -o /home/administrator/.local/lib/python3.8/site-packages/mujoco_py/generated/_pyxbld_2.1.2.14_38_linuxgpuextensionbuilder/temp.linux-x86_64-3.8/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/cymj.o -fopenmp -w
unable to execute '/usr/local/opt/llvm/bin/clang': No such file or directory
Traceback (most recent call last):
  File "/usr/lib/python3.8/distutils/unixccompiler.py", line 117, in _compile
    self.spawn(compiler_so + cc_args + [src, '-o', obj] +
  File "/usr/lib/python3.8/distutils/ccompiler.py", line 910, in spawn
    spawn(cmd, dry_run=self.dry_run)
  File "/usr/lib/python3.8/distutils/spawn.py", line 36, in spawn
    _spawn_posix(cmd, search_path, dry_run=dry_run)
  File "/usr/lib/python3.8/distutils/spawn.py", line 157, in _spawn_posix
    raise DistutilsExecError(
distutils.errors.DistutilsExecError: command '/usr/local/opt/llvm/bin/clang' failed with exit status 1

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/__init__.py", line 2, in <module>
    from mujoco_py.builder import cymj, ignore_mujoco_warnings, functions, MujocoException
  File "/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 504, in <module>
    cymj = load_cython_ext(mujoco_path)
  File "/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 110, in load_cython_ext
    cext_so_path = builder.build()
  File "/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 226, in build
    built_so_file_path = self._build_impl()
  File "/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 296, in _build_impl
    so_file_path = super()._build_impl()
  File "/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 249, in _build_impl
    dist.run_commands()
  File "/usr/lib/python3.8/distutils/dist.py", line 966, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command
    cmd_obj.run()
  File "/home/administrator/.local/lib/python3.8/site-packages/Cython/Distutils/old_build_ext.py", line 186, in run
    _build_ext.build_ext.run(self)
  File "/usr/lib/python3.8/distutils/command/build_ext.py", line 340, in run
    self.build_extensions()
  File "/home/administrator/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 149, in build_extensions
    build_ext.build_extensions(self)
  File "/home/administrator/.local/lib/python3.8/site-packages/Cython/Distutils/old_build_ext.py", line 195, in build_extensions
    _build_ext.build_ext.build_extensions(self)
  File "/usr/lib/python3.8/distutils/command/build_ext.py", line 449, in build_extensions
    self._build_extensions_serial()
  File "/usr/lib/python3.8/distutils/command/build_ext.py", line 474, in _build_extensions_serial
    self.build_extension(ext)
  File "/usr/lib/python3.8/distutils/command/build_ext.py", line 528, in build_extension
    objects = self.compiler.compile(sources,
  File "/usr/lib/python3.8/distutils/ccompiler.py", line 574, in compile
    self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
  File "/usr/lib/python3.8/distutils/unixccompiler.py", line 120, in _compile
    raise CompileError(msg)
distutils.errors.CompileError: command '/usr/local/opt/llvm/bin/clang' failed with exit status 1

How to deal with it? Urgent! Thank you so much!

I use ubuntu 20.04.

[akrv]

having the same issue with MacOS. did you fix it?